Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Air Duct Cleaning Across Redwood City
Air duct cleaning in Redwood City typically costs between $450 and $900 for a full residential system, depending on home size and duct condition. Most jobs take four to six hours and include supply ducts, return ducts, the main trunk line, and the air handler. We schedule Redwood City jobs five days a week, and our crews know the difference between a 1950s rancher off Woodside Road and a new condo complex near El Camino Real. Call (951) 527-6259 for a written quote before any work begins.

Why Linden Air Duct San Francisco Is Redwood City’s Preferred Air Duct Cleaning Company
Homeowners in Redwood City call us because we tell them exactly who is coming to their door before the visit. Every technician is background-checked and identity-verified under the Threshold Standard. We send the tech’s name and photo ahead of time, and they show a photo ID badge when they arrive. For a homeowner who is often alone or has young children, that specific proof matters more than a five-star graphic on a website.
Marcus Veale, who leads our team, has built the business around one written promise: the price is set before any work starts. It does not change after the inspection unless you approve it in writing. Every repair carries a written guarantee, and if a covered repair fails within the 365-Day Done Right Promise, we return at no charge. That is the accountability that Redwood City’s older homes often need, because what we find in their ducts is rarely what a basic advertised cleaning covers.
We have served homeowners since 2004 as part of the Threshold Group family. Our Redwood City customers consistently tell us the same thing: the tech arrived when promised, showed ID, explained what was actually in the ducts, and the final invoice matched the written quote. You will speak to a live person when you call, any time of day, and that person can book your Redwood City appointment directly.
Styles & brands we work with




HVAC Duct Cleaning in Redwood City
HVAC duct cleaning in Redwood City means removing the accumulation that builds up inside the network of metal or flex ducts that moves heated and cooled air from your furnace or heat pump to every room. In this city, that accumulation is specific: fine coastal silt, drywall dust from remodels, pet dander, and in older systems, the fine breakdown of original duct insulation. A real cleaning uses negative-pressure extraction, which means a powerful vacuum creates suction at the air handler while technicians agitate and sweep each duct run with rotating brushes and compressed air. The debris is drawn to the vacuum and captured in HEPA filtration, not blown into your living space.
Residential Duct Cleaning
Most Redwood City homes need a full-system cleaning if the ducts have not been opened in ten or more years, or if a remodel happened and nobody sealed the registers during construction. We clean supply and return runs, the trunk line, and the plenum, then document the before and after with video. A typical 1,500 to 2,500 square foot home in Redwood City runs $450 to $700.
Full System Cleaning with Camera Inspection
For older Redwood City homes, especially pre-1970s properties with original ductwork, cleaning without camera inspection is a waste of money. The camera shows disconnected joints, crushed sections under the house, and blockages that brushes cannot fix. We include video inspection on full system jobs and review the footage with you before we quote any repair.
Vent Cleaning in Redwood City
Vent cleaning in Redwood City refers to the individual registers and grilles in each room, plus the visible vent openings connected to your duct runs. Over time these collect a film of dust and, in Redwood City’s dry summer months, a fine gray silt that settles on vent louvers and inside the first few feet of the run. Cleaning them restores airflow and removes the musty smell that comes from accumulated debris warming and cooling with the seasons. We clean the vent covers, vacuum the accessible boot and first section of duct, and check that each damper and louver moves freely.
Supply and Return Vent Cleaning
Supply vents push conditioned air into rooms; returns pull air back to the system. Both need attention because return vents collect the most visible lint and dust, while supply vents can develop a baked-on film from heated air. A typical vent cleaning as part of a full system job is included in the price range above. As a standalone service, vent-only cleaning in Redwood City runs $150 to $300 depending on the number of registers.
Dryer Vent Cleaning
Dryer vents are a separate run from your HVAC ducts, but they collect lint and are a fire risk when clogged. We offer dryer vent cleaning as a standalone service in Redwood City, using a rotating brush and a negative-pressure collection system. This is not a “lint trap bypass” description on paper; it is the actual tool work done inside the pipe from both the dryer connection and the exterior termination.
Trusted Brands We Service in Redwood City
Our crews work on all residential duct systems, including older galvanized sheet metal runs common in Redwood City’s 1950s and 1960s homes and newer insulated flex duct in multi-unit buildings. We use professional-grade equipment from Rotobrush and Nikro for extraction and agitation, and we recommend air-quality products from Aprilaire, Abatement Technologies, and Guardsman where a home needs filtration or purification upgrades after cleaning. Because Redwood City is central to our Bay Area service area, we can usually have replacement filters and standard parts on the truck or available for next-day installation.

Common Air Duct Cleaning Problems We See in Redwood City Homes
- Coastal silt accumulation in older neighborhoods. In areas like Woodside Plaza and Redwood Village, fine gray powder from the coastal hills settles into ducts during dry summers. It is abrasive, it holds moisture in winter, and it recirculates whenever the blower runs.
- Remodel debris left in duct runs. Redwood City has a high rate of renovations on its mid-century homes. Drywall dust, sawdust, and sometimes small fasteners get swept into open registers and stay there for years.
- Original ductwork that has never been replaced. Pre-1970s homes in Redwood City often have original metal ducts with failing tape at the joints, disconnected sections, or crushed runs under the crawlspace. Cleaning alone will not fix airflow if the ducts are not connected.
- Shared duct contamination in newer condo buildings. Newer multi-unit developments near downtown Redwood City and Redwood Shores can have shared duct chases. Cooking odors, cigarette smoke, and even pest debris from one unit can travel into another through common runs or poorly sealed wall penetrations.
Pricing for Air Duct Cleaning in Redwood City, CA
A whole-home air duct cleaning in Redwood City generally runs $450 to $900. Smaller condos and apartments fall at the lower end, while larger single-family homes with multiple returns and long crawlspace runs land higher. What changes the price in this city specifically is the age of the ductwork and what we find during inspection. Disconnected runs, mold growth from damp winter air, and ducts packed with construction debris all require additional labor and sealing work, which we quote in writing before we start. We do not use per-vent pricing, and we do not quote one price on the phone then present another at the door. You get one flat price per system, agreed before work begins. Call (951) 527-6259 for a free, no-commitment estimate.
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AfterWe Also Serve Cities Near Redwood City
Our Air Duct Cleaning crews work throughout the Peninsula. In addition to Redwood City, we serve San Mateo, Burlingame, South San Francisco, and Pacifica. If you are in a neighboring town and wondering whether we cover your street, call and ask. The person who answers can tell you directly.
Serving Redwood City, CA - Our Local Coverage Area
We’re based in the Redwood City area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Air Duct Cleaning in Redwood City
The silt comes from the coastal hills to the west. During Redwood City’s dry summer, prevailing winds carry fine particulate down into neighborhoods like Woodside Plaza and Redwood Village, where it enters homes through open windows, doors, and foundation vents, then gets pulled into return ducts. This is not a condition we see to the same degree in San Mateo or Burlingame, and it demands more thorough agitation during cleaning. If your home is in one of these hillside-adjacent neighborhoods, ask specifically about silt removal when you call. Even better, call (951) 527-6259 and we can tell you what we typically find on your street.
Yes, and this is a common job for us. What you should know is that a 1960s-era duct system in Redwood City will almost certainly have more than dust: failed joint tape, possible asbestos-containing insulation wrap on older metal runs, and sections that have pulled apart under the house. We clean what can be cleaned and document the rest with camera inspection. If the real fix is sealing and reconnecting rather than cleaning, we tell you that and quote it honestly. Call (951) 527-6259 and we can walk you through what the process looks like for a home of that age.
Remodels create drywall dust, sawdust, and debris that settles into open duct registers and stays there. Once the renovation is done and the system runs again, that dust recirculates through the house for months or years. We recommend having ducts cleaned after any significant remodel, and ideally having registers sealed during the work itself. In Redwood City’s older homes, where remodels are frequent, we often find layers of construction dust from multiple projects done over decades. Get a quote by calling (951) 527-6259.
Cleaning removes the organic material that mold feeds on, but if moisture is entering the ducts, cleaning alone will not stop mold from returning. In Redwood City’s cool, damp winter season, poorly sealed crawlspace ducts can draw in moist air that condenses inside the metal runs. The fix is often a combination of cleaning, sealing, and correcting the moisture source. We can assess this during a video inspection and give you a written recommendation, not a scare pitch. Call (951) 527-6259 to schedule an inspection.
Shared duct systems in multi-unit buildings present a specific problem: what happens in one unit can travel to another. We approach these buildings by first understanding the duct layout, then cleaning the runs that serve each residence and checking for cross-contamination points where a return in one unit pulls air from a neighboring space. In some buildings, the HOA or property manager coordinates the work. If you own a unit in one of the newer developments near downtown or Redwood Shores and you are getting cooking or smoking odors from a neighbor, call (951) 527-6259 and we can talk through what is possible.
A Local Field Example
In a 1960s single-family home off Woodside Road, our tech found the original supply and return ducts loaded with fine coastal silt and construction debris from a past remodel. We performed negative pressure source removal with HEPA filtration and camera inspection to document a crushed return run, then sealed and reconnected it. Airflow at the registers improved by over 40%. That is the kind of job Redwood City’s older homes often need, and it is the reason we always recommend camera inspection on any pre-1970s system.
What We Find in Redwood City’s Older Homes That Other Companies Miss
Redwood City’s housing stock is a specific mix: pre-1970s single-family homes with original ductwork, and newer multi-unit buildings where shared systems create shared air problems. The older homes are the ones that hold real surprises. Disconnected joints. Crushed returns. Ducts that were never connected to the register in the first place after a 1980s room addition. A basic cleaning that only addresses dust will miss all of this, because those companies do not look. We do. The camera goes in before we quote any repair, and you see exactly what we see.
For homeowners in neighborhoods like Woodside Plaza, Redwood Village, or the streets off Alameda de las Pulgas, the fine silt issue is real and recurring. Our cleaning process is built around it. We do not sell a generic service and call it local. We know what Redwood City ducts contain because we have been inside them. If you want to know what is in yours, call (951) 527-6259 and we will put a date on the calendar.
Contact Linden Air Duct San Francisco for Air Duct Cleaning in Redwood City
If you are ready to have your ducts cleaned, inspected, or repaired, call (951) 527-6259. You will speak to a person who can answer questions and schedule your Redwood City appointment. Every job starts with a written price before any work begins. The tech’s name and photo arrive before the visit, and they will show a photo ID badge at your door. Every repair is covered by a written guarantee, and if a covered repair fails, we return at no charge. That is the promise we have made since 2004, and it applies to every home we serve in Redwood City.
Written by Marcus Veale, Owner at Linden Air Duct San Francisco, serving Redwood City with verified, accountable air duct service.